/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Switches a multi parent element to world space. This injects a world space reference.
Returns true if changing the weight was successful
bool SwitchToWorldSpace ( [FRigBaseElement](API\Plugins\ControlRig\Rigs\FRigBaseElement) * InChild, bool bInitial, bool bAffectChildren )